kc3-lang/angle/util/x11/X11Window.cpp

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• Author : Corentin Wallez
  Date : 2015-05-05 17:37:39
  Hash : fe2f3d63
  Message : Add a basic support for Linux for utils/ * Timer and path utils are done. * Window only implements initialize and setVisible BUG=angleproject:892 Change-Id: I3f49b68ef9ec5be324b25e211199bac2953ae11e Reviewed-on: https://chromium-review.googlesource.com/269520 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Corentin Wallez <cwallez@chromium.org>

• util/x11/X11Window.cpp

• //
  // Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // X11Window.cpp: Implementation of OSWindow for X11
  
  #include "x11/X11Window.h"
  
  X11Window::X11Window()
      : mDisplay(nullptr),
        mWindow(0)
  {
  }
  
  X11Window::~X11Window()
  {
      destroy();
  }
  
  bool X11Window::initialize(const std::string &name, size_t width, size_t height)
  {
      destroy();
  
      mDisplay = XOpenDisplay(NULL);
      if (!mDisplay)
      {
          return false;
      }
  
      int screen = DefaultScreen(mDisplay);
      Window root = RootWindow(mDisplay, screen);
      Colormap colormap = XCreateColormap(mDisplay, root, DefaultVisual(mDisplay, screen), AllocNone);
      int depth = DefaultDepth(mDisplay, screen);
      Visual *visual = DefaultVisual(mDisplay, screen);
  
      XSetWindowAttributes attributes;
      unsigned long attributeMask = CWBorderPixel | CWColormap | CWEventMask;
  
      // TODO(cwallez) change when input is implemented
      attributes.event_mask = 0;
      attributes.border_pixel = 0;
      attributes.colormap = colormap;
  
      mWindow = XCreateWindow(mDisplay, root, 0, 0, width, height, 0, depth, InputOutput,
                              visual, attributeMask, &attributes);
  
      if (!mWindow)
      {
          XFreeColormap(mDisplay, colormap);
          return false;
      }
  
      XFlush(mDisplay);
  
      mX = 0;
      mY = 0;
      mWidth = width;
      mHeight = height;
  
      return true;
  }
  
  void X11Window::destroy()
  {
      if (mWindow)
      {
          XDestroyWindow(mDisplay, mWindow);
          mWindow = 0;
      }
      if (mDisplay)
      {
          XCloseDisplay(mDisplay);
          mDisplay = nullptr;
      }
  }
  
  EGLNativeWindowType X11Window::getNativeWindow() const
  {
      return mWindow;
  }
  
  EGLNativeDisplayType X11Window::getNativeDisplay() const
  {
      return mDisplay;
  }
  
  void X11Window::messageLoop()
  {
      //TODO
  }
  
  void X11Window::setMousePosition(int x, int y)
  {
      //TODO
  }
  
  OSWindow *CreateOSWindow()
  {
      return new X11Window();
  }
  
  bool X11Window::setPosition(int x, int y)
  {
      //TODO
      return true;
  }
  
  bool X11Window::resize(int width, int height)
  {
      //TODO
      return true;
  }
  
  void X11Window::setVisible(bool isVisible)
  {
      if (isVisible)
      {
          XMapWindow(mDisplay, mWindow);
      }
      else
      {
          XUnmapWindow(mDisplay, mWindow);
      }
      XFlush(mDisplay);
  }
  
  void X11Window::pushEvent(Event event)
  {
      //TODO
  }
  
  void X11Window::signalTestEvent()
  {
      //TODO
  }